CA3124289A1 - Novel grating arrangements - Google Patents

Novel grating arrangements Download PDF

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Publication number
CA3124289A1
CA3124289A1 CA3124289A CA3124289A CA3124289A1 CA 3124289 A1 CA3124289 A1 CA 3124289A1 CA 3124289 A CA3124289 A CA 3124289A CA 3124289 A CA3124289 A CA 3124289A CA 3124289 A1 CA3124289 A1 CA 3124289A1
Authority
CA
Canada
Prior art keywords
grating
waveguide
region
regions
waveguide body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CA3124289A
Other languages
English (en)
French (fr)
Inventor
Juuso Olkkonen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dispelix Oy
Original Assignee
Dispelix Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dispelix Oy filed Critical Dispelix Oy
Publication of CA3124289A1 publication Critical patent/CA3124289A1/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/4205—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive optical element [DOE] contributing to image formation, e.g. whereby modulation transfer function MTF or optical aberrations are relevant
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/017—Head mounted
    • G02B27/0172—Head mounted characterised by optical features
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1866—Transmission gratings characterised by their structure, e.g. step profile, contours of substrate or grooves, pitch variations, materials
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/0123—Head-up displays characterised by optical features comprising devices increasing the field of view
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/34—Optical coupling means utilising prism or grating

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
CA3124289A 2019-04-16 2020-04-15 Novel grating arrangements Pending CA3124289A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI20195309 2019-04-16
FI20195309 2019-04-16
PCT/FI2020/050242 WO2020212647A1 (en) 2019-04-16 2020-04-15 Novel grating arrangements

Publications (1)

Publication Number Publication Date
CA3124289A1 true CA3124289A1 (en) 2020-10-22

Family

ID=72838148

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3124289A Pending CA3124289A1 (en) 2019-04-16 2020-04-15 Novel grating arrangements

Country Status (8)

Country Link
US (1) US12253687B2 (https=)
EP (1) EP3914955B1 (https=)
JP (1) JP7560887B2 (https=)
KR (1) KR102857528B1 (https=)
CN (1) CN113396354B (https=)
CA (1) CA3124289A1 (https=)
SG (1) SG11202107341WA (https=)
WO (1) WO2020212647A1 (https=)

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WO2021237168A1 (en) * 2020-05-22 2021-11-25 Magic Leap, Inc. Method and system for dual projector waveguide displays with wide field of view
JP7577133B2 (ja) * 2020-06-09 2024-11-01 ビュージックス コーポレーション 区分けされた回折光学要素を備えた画像光ガイド
US12601867B2 (en) 2020-11-25 2026-04-14 Vuzix Corporation Image light guide with zoned diffractive optic
WO2022159716A1 (en) * 2021-01-22 2022-07-28 Vuzix Corporation Image light guide with compound in-coupling diffractive optic
WO2022258553A1 (en) * 2021-06-09 2022-12-15 Snap, Inc. Waveguide and diffraction grating for augmented reality or virtual reality display
WO2022259757A1 (ja) * 2021-06-09 2022-12-15 パナソニックＩｐマネジメント株式会社 光学系、及び、画像表示装置
EP4354204A4 (en) * 2021-06-09 2024-09-11 Panasonic Intellectual Property Management Co., Ltd. OPTICAL SYSTEM AND IMAGE DISPLAY DEVICE
WO2023005418A1 (zh) 2021-07-30 2023-02-02 Oppo广东移动通信有限公司 光学结构和光学装置
CN114545549B (zh) * 2022-01-13 2023-05-30 嘉兴驭光光电科技有限公司 用于衍射显示的光学波导装置及显示设备
FI131777B1 (en) * 2022-01-25 2025-11-24 Dispelix Oy Display component
JP2023124625A (ja) * 2022-02-25 2023-09-06 ソニーグループ株式会社 導光板及び画像表示装置
JPWO2023188701A1 (https=) * 2022-03-31 2023-10-05
CN114910991B (zh) * 2022-04-15 2023-03-24 北京驭光科技发展有限公司 衍射光波导及显示设备
CN116338856B (zh) * 2023-04-19 2023-09-29 嘉兴驭光光电科技有限公司 显示用光波导装置及具有其的显示设备
FI131791B1 (en) * 2023-05-04 2025-12-02 Dispelix Oy Display structure
CN119493275B (zh) * 2023-08-15 2026-03-03 Oppo广东移动通信有限公司 显示设备及波导显示装置
CN117388975A (zh) * 2023-09-12 2024-01-12 珠海莫界科技有限公司 波导片及显示设备
FI132002B1 (en) * 2023-12-21 2026-04-02 Dispelix Oy Display component

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WO2008081070A1 (en) 2006-12-28 2008-07-10 Nokia Corporation Device for expanding an exit pupil in two dimensions
CN101945612B (zh) * 2008-02-14 2013-09-25 诺基亚公司 用于确定注视方向的设备和方法
GB2529003B (en) * 2014-08-03 2020-08-26 Wave Optics Ltd Optical device
AU2015323940B2 (en) * 2014-09-29 2021-05-20 Magic Leap, Inc. Architectures and methods for outputting different wavelength light out of waveguides
US9513480B2 (en) 2015-02-09 2016-12-06 Microsoft Technology Licensing, Llc Waveguide
US10241332B2 (en) * 2015-10-08 2019-03-26 Microsoft Technology Licensing, Llc Reducing stray light transmission in near eye display using resonant grating filter
US10067347B2 (en) 2016-04-13 2018-09-04 Microsoft Technology Licensing, Llc Waveguides with improved intensity distributions
US9791703B1 (en) * 2016-04-13 2017-10-17 Microsoft Technology Licensing, Llc Waveguides with extended field of view
US10061124B2 (en) * 2016-04-29 2018-08-28 Microsoft Technology Licensing, Llc Robust architecture for large field of view components
US10241346B2 (en) 2016-05-07 2019-03-26 Microsoft Technology Licensing, Llc Degrees of freedom for diffraction elements in wave expander
WO2018039273A1 (en) * 2016-08-22 2018-03-01 Magic Leap, Inc. Dithering methods and apparatus for wearable display device
EP3339936A1 (en) * 2016-12-20 2018-06-27 Oculus VR, LLC Waveguide display with a small form factor, a large field of view and a large eyebox
US10185151B2 (en) * 2016-12-20 2019-01-22 Facebook Technologies, Llc Waveguide display with a small form factor, a large field of view, and a large eyebox
WO2018125574A1 (en) * 2016-12-31 2018-07-05 Vuzix Corporation Imaging light guide with expanded light distribution
CA3056247C (en) * 2017-03-21 2024-01-30 Magic Leap, Inc. Method and system for waveguide projector with wide field of view
GB201705160D0 (en) 2017-03-30 2017-05-17 Wave Optics Ltd Waveguide for an augmented reality or virtual reality display
US10281726B2 (en) * 2017-04-04 2019-05-07 Microsoft Technology Licensing, Llc Refractive-diffractive display system with wide field of view
FI128831B (en) * 2017-05-03 2021-01-15 Dispelix Oy Display element, personal display unit, procedure for producing an image on a personal display and use
US11493761B2 (en) * 2017-05-17 2022-11-08 Vuzix Corporation Fixed focus image light guide with zoned diffraction gratings
FI128413B (en) * 2017-06-02 2020-04-30 Dispelix Oy Diffractive element with double period lattices
CN113281839B (zh) * 2017-06-13 2023-04-14 伊奎蒂公司 具有扩大光分布重叠光栅的图像光导
US10725291B2 (en) * 2018-10-15 2020-07-28 Facebook Technologies, Llc Waveguide including volume Bragg gratings
US11067811B2 (en) * 2019-01-11 2021-07-20 Facebook Technologies, Llc Volume bragg gratings for near-eye waveguide display
EP3933490B1 (en) * 2019-03-13 2024-06-12 Lg Chem, Ltd. Diffractive light guide plate

Also Published As

Publication number Publication date
US12253687B2 (en) 2025-03-18
KR20210152451A (ko) 2021-12-15
WO2020212647A1 (en) 2020-10-22
KR102857528B1 (ko) 2025-09-09
US20220099990A1 (en) 2022-03-31
EP3914955A4 (en) 2022-12-21
JP7560887B2 (ja) 2024-10-03
EP3914955B1 (en) 2026-02-18
EP3914955A1 (en) 2021-12-01
CN113396354A (zh) 2021-09-14
JP2022528594A (ja) 2022-06-15
CN113396354B (zh) 2024-12-27
SG11202107341WA (en) 2021-11-29
EP3914955C0 (en) 2026-02-18

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